| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.85 | -0.08 |
| Feb | 0.73 | 0.74 | -0.01 |
| Mar | 1.16 | 1.16 | 0.00 |
| Apr | 1.89 | 1.95 | -0.06 |
| May | 3.02 | 3.10 | -0.08 |
| Jun | 4.48 | 4.43 | 0.05 |
| Jul | 3.94 | 4.09 | -0.15 |
| Aug | 3.28 | 3.36 | -0.08 |
| Sep | 2.95 | 3.13 | -0.18 |
| Oct | 2.64 | 2.66 | -0.02 |
| Nov | 1.35 | 1.40 | -0.05 |
| Dec | 1.00 | 1.06 | -0.06 |
27.21 | 27.93 | -0.72 |